source3/utils/smbcquotas.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    QUOTA get/set utility
   4
   5    Copyright (C) Andrew Tridgell                2000
   6    Copyright (C) Tim Potter                     2000
   7    Copyright (C) Jeremy Allison                 2000
   8    Copyright (C) Stefan (metze) Metzmacher      2003
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25 #include "popt_common.h"
  26 #include "../librpc/gen_ndr/ndr_lsa.h"
  27 #include "rpc_client/cli_lsarpc.h"
  28 #include "fake_file.h"
  29
  30 static char *server;
  31
  32 /* numeric is set when the user wants numeric SIDs and ACEs rather
  33    than going via LSA calls to resolve them */
  34 static bool numeric;
  35 static bool verbose;
  36
  37 enum todo_values {NOOP_QUOTA=0,FS_QUOTA,USER_QUOTA,LIST_QUOTA,SET_QUOTA};
  38 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  39
  40 static struct cli_state *cli_ipc;
  41 static struct rpc_pipe_client *global_pipe_hnd;
  42 static struct policy_handle pol;
  43 static bool got_policy_hnd;
  44 static struct user_auth_info *smbcquotas_auth_info;
  45
  46 static struct cli_state *connect_one(const char *share);
  47
  48 /* Open cli connection and policy handle */
  49
  50 static bool cli_open_policy_hnd(void)
  51 {
  52         /* Initialise cli LSA connection */
  53
  54         if (!cli_ipc) {
  55                 NTSTATUS ret;
  56                 cli_ipc = connect_one("IPC$");
  57                 ret = cli_rpc_pipe_open_noauth(cli_ipc,
  58                                                &ndr_table_lsarpc.syntax_id,
  59                                                &global_pipe_hnd);
  60                 if (!NT_STATUS_IS_OK(ret)) {
  61                                 return False;
  62                 }
  63         }
  64
  65         /* Open policy handle */
  66
  67         if (!got_policy_hnd) {
  68
  69                 /* Some systems don't support SEC_FLAG_MAXIMUM_ALLOWED,
  70                    but NT sends 0x2000000 so we might as well do it too. */
  71
  72                 if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, talloc_tos(), True,
  73                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  74                         return False;
  75                 }
  76
  77                 got_policy_hnd = True;
  78         }
  79
  80         return True;
  81 }
  82
  83 /* convert a SID to a string, either numeric or username/group */
  84 static void SidToString(fstring str, struct dom_sid *sid, bool _numeric)
  85 {
  86         char **domains = NULL;
  87         char **names = NULL;
  88         enum lsa_SidType *types = NULL;
  89
  90         sid_to_fstring(str, sid);
  91
  92         if (_numeric) return;
  93
  94         /* Ask LSA to convert the sid to a name */
  95
  96         if (!cli_open_policy_hnd() ||
  97             !NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(global_pipe_hnd, talloc_tos(),
  98                                                  &pol, 1, sid, &domains,
  99                                                  &names, &types)) ||
 100             !domains || !domains[0] || !names || !names[0]) {
 101                 return;
 102         }
 103
 104         /* Converted OK */
 105
 106         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 107                  domains[0], lp_winbind_separator(),
 108                  names[0]);
 109
 110 }
 111
 112 /* convert a string to a SID, either numeric or username/group */
 113 static bool StringToSid(struct dom_sid *sid, const char *str)
 114 {
 115         enum lsa_SidType *types = NULL;
 116         struct dom_sid *sids = NULL;
 117         bool result = True;
 118
 119         if (strncmp(str, "S-", 2) == 0) {
 120                 return string_to_sid(sid, str);
 121         }
 122
 123         if (!cli_open_policy_hnd() ||
 124             !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, talloc_tos(),
 125                                                   &pol, 1, &str, NULL, 1, &sids,
 126                                                   &types))) {
 127                 result = False;
 128                 goto done;
 129         }
 130
 131         sid_copy(sid, &sids[0]);
 132  done:
 133
 134         return result;
 135 }
 136
 137 #define QUOTA_GET 1
 138 #define QUOTA_SETLIM 2
 139 #define QUOTA_SETFLAGS 3
 140 #define QUOTA_LIST 4
 141
 142 enum {PARSE_FLAGS,PARSE_LIM};
 143
 144 static int parse_quota_set(TALLOC_CTX *ctx,
 145                         char *set_str,
 146                         char **pp_username_str,
 147                         enum SMB_QUOTA_TYPE *qtype,
 148                         int *cmd,
 149                         SMB_NTQUOTA_STRUCT *pqt)
 150 {
 151         char *p = set_str,*p2;
 152         int todo;
 153         bool stop = False;
 154         bool enable = False;
 155         bool deny = False;
 156
 157         *pp_username_str = NULL;
 158         if (strnequal(set_str,"UQLIM:",6)) {
 159                 p += 6;
 160                 *qtype = SMB_USER_QUOTA_TYPE;
 161                 *cmd = QUOTA_SETLIM;
 162                 todo = PARSE_LIM;
 163                 if ((p2=strstr(p,":"))==NULL) {
 164                         return -1;
 165                 }
 166
 167                 *p2 = '\0';
 168                 p2++;
 169
 170                 *pp_username_str = talloc_strdup(ctx, p);
 171                 p = p2;
 172         } else if (strnequal(set_str,"FSQLIM:",7)) {
 173                 p +=7;
 174                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 175                 *cmd = QUOTA_SETLIM;
 176                 todo = PARSE_LIM;
 177         } else if (strnequal(set_str,"FSQFLAGS:",9)) {
 178                 p +=9;
 179                 todo = PARSE_FLAGS;
 180                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 181                 *cmd = QUOTA_SETFLAGS;
 182         } else {
 183                 return -1;
 184         }
 185
 186         switch (todo) {
 187                 case PARSE_LIM:
 188                         if (sscanf(p,"%"PRIu64"/%"PRIu64,&pqt->softlim,&pqt->hardlim)!=2) {
 189                                 return -1;
 190                         }
 191
 192                         break;
 193                 case PARSE_FLAGS:
 194                         while (!stop) {
 195
 196                                 if ((p2=strstr(p,"/"))==NULL) {
 197                                         stop = True;
 198                                 } else {
 199                                         *p2 = '\0';
 200                                         p2++;
 201                                 }
 202
 203                                 if (strnequal(p,"QUOTA_ENABLED",13)) {
 204                                         enable = True;
 205                                 } else if (strnequal(p,"DENY_DISK",9)) {
 206                                         deny = True;
 207                                 } else if (strnequal(p,"LOG_SOFTLIMIT",13)) {
 208                                         pqt->qflags |= QUOTAS_LOG_THRESHOLD;
 209                                 } else if (strnequal(p,"LOG_HARDLIMIT",13)) {
 210                                         pqt->qflags |= QUOTAS_LOG_LIMIT;
 211                                 } else {
 212                                         return -1;
 213                                 }
 214
 215                                 p=p2;
 216                         }
 217
 218                         if (deny) {
 219                                 pqt->qflags |= QUOTAS_DENY_DISK;
 220                         } else if (enable) {
 221                                 pqt->qflags |= QUOTAS_ENABLED;
 222                         }
 223
 224                         break;
 225         }
 226
 227         return 0;
 228 }
 229
 230 static int do_quota(struct cli_state *cli,
 231                 enum SMB_QUOTA_TYPE qtype,
 232                 uint16 cmd,
 233                 const char *username_str,
 234                 SMB_NTQUOTA_STRUCT *pqt)
 235 {
 236         uint32 fs_attrs = 0;
 237         uint16_t quota_fnum = 0;
 238         SMB_NTQUOTA_LIST *qtl = NULL;
 239         SMB_NTQUOTA_STRUCT qt;
 240         ZERO_STRUCT(qt);
 241
 242         if (!NT_STATUS_IS_OK(cli_get_fs_attr_info(cli, &fs_attrs))) {
 243                 d_printf("Failed to get the filesystem attributes %s.\n",
 244                         cli_errstr(cli));
 245                 return -1;
 246         }
 247
 248         if (!(fs_attrs & FILE_VOLUME_QUOTAS)) {
 249                 d_printf("Quotas are not supported by the server.\n");
 250                 return 0;
 251         }
 252
 253         if (!NT_STATUS_IS_OK(cli_get_quota_handle(cli, &quota_fnum))) {
 254                 d_printf("Quotas are not enabled on this share.\n");
 255                 d_printf("Failed to open %s  %s.\n",
 256                         FAKE_FILE_NAME_QUOTA_WIN32,cli_errstr(cli));
 257                 return -1;
 258         }
 259
 260         switch(qtype) {
 261                 case SMB_USER_QUOTA_TYPE:
 262                         if (!StringToSid(&qt.sid, username_str)) {
 263                                 d_printf("StringToSid() failed for [%s]\n",username_str);
 264                                 return -1;
 265                         }
 266
 267                         switch(cmd) {
 268                                 case QUOTA_GET:
 269                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 270                                                 d_printf("%s cli_get_user_quota %s\n",
 271                                                          cli_errstr(cli),username_str);
 272                                                 return -1;
 273                                         }
 274                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 275                                         break;
 276                                 case QUOTA_SETLIM:
 277                                         pqt->sid = qt.sid;
 278                                         if (!cli_set_user_quota(cli, quota_fnum, pqt)) {
 279                                                 d_printf("%s cli_set_user_quota %s\n",
 280                                                          cli_errstr(cli),username_str);
 281                                                 return -1;
 282                                         }
 283                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 284                                                 d_printf("%s cli_get_user_quota %s\n",
 285                                                          cli_errstr(cli),username_str);
 286                                                 return -1;
 287                                         }
 288                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 289                                         break;
 290                                 case QUOTA_LIST:
 291                                         if (!cli_list_user_quota(cli, quota_fnum, &qtl)) {
 292                                                 d_printf("%s cli_set_user_quota %s\n",
 293                                                          cli_errstr(cli),username_str);
 294                                                 return -1;
 295                                         }
 296                                         dump_ntquota_list(&qtl,verbose,numeric,SidToString);
 297                                         free_ntquota_list(&qtl);
 298                                         break;
 299                                 default:
 300                                         d_printf("Unknown Error\n");
 301                                         return -1;
 302                         }
 303                         break;
 304                 case SMB_USER_FS_QUOTA_TYPE:
 305                         switch(cmd) {
 306                                 case QUOTA_GET:
 307                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 308                                                 d_printf("%s cli_get_fs_quota_info\n",
 309                                                          cli_errstr(cli));
 310                                                 return -1;
 311                                         }
 312                                         dump_ntquota(&qt,True,numeric,NULL);
 313                                         break;
 314                                 case QUOTA_SETLIM:
 315                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 316                                                 d_printf("%s cli_get_fs_quota_info\n",
 317                                                          cli_errstr(cli));
 318                                                 return -1;
 319                                         }
 320                                         qt.softlim = pqt->softlim;
 321                                         qt.hardlim = pqt->hardlim;
 322                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 323                                                 d_printf("%s cli_set_fs_quota_info\n",
 324                                                          cli_errstr(cli));
 325                                                 return -1;
 326                                         }
 327                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 328                                                 d_printf("%s cli_get_fs_quota_info\n",
 329                                                          cli_errstr(cli));
 330                                                 return -1;
 331                                         }
 332                                         dump_ntquota(&qt,True,numeric,NULL);
 333                                         break;
 334                                 case QUOTA_SETFLAGS:
 335                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 336                                                 d_printf("%s cli_get_fs_quota_info\n",
 337                                                          cli_errstr(cli));
 338                                                 return -1;
 339                                         }
 340                                         qt.qflags = pqt->qflags;
 341                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 342                                                 d_printf("%s cli_set_fs_quota_info\n",
 343                                                          cli_errstr(cli));
 344                                                 return -1;
 345                                         }
 346                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 347                                                 d_printf("%s cli_get_fs_quota_info\n",
 348                                                          cli_errstr(cli));
 349                                                 return -1;
 350                                         }
 351                                         dump_ntquota(&qt,True,numeric,NULL);
 352                                         break;
 353                                 default:
 354                                         d_printf("Unknown Error\n");
 355                                         return -1;
 356                         }
 357                         break;
 358                 default:
 359                         d_printf("Unknown Error\n");
 360                         return -1;
 361         }
 362
 363         cli_close(cli, quota_fnum);
 364
 365         return 0;
 366 }
 367
 368 /*****************************************************
 369  Return a connection to a server.
 370 *******************************************************/
 371
 372 static struct cli_state *connect_one(const char *share)
 373 {
 374         struct cli_state *c;
 375         struct sockaddr_storage ss;
 376         NTSTATUS nt_status;
 377         uint32_t flags = 0;
 378
 379         zero_sockaddr(&ss);
 380
 381         if (get_cmdline_auth_info_use_machine_account(smbcquotas_auth_info) &&
 382             !set_cmdline_auth_info_machine_account_creds(smbcquotas_auth_info)) {
 383                 return NULL;
 384         }
 385
 386         if (get_cmdline_auth_info_use_kerberos(smbcquotas_auth_info)) {
 387                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 388                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 389
 390         }
 391
 392         set_cmdline_auth_info_getpass(smbcquotas_auth_info);
 393
 394         nt_status = cli_full_connection(&c, global_myname(), server,
 395                                             &ss, 0,
 396                                             share, "?????",
 397                                             get_cmdline_auth_info_username(smbcquotas_auth_info),
 398                                             lp_workgroup(),
 399                                             get_cmdline_auth_info_password(smbcquotas_auth_info),
 400                                             flags,
 401                                             get_cmdline_auth_info_signing_state(smbcquotas_auth_info),
 402                                             NULL);
 403         if (!NT_STATUS_IS_OK(nt_status)) {
 404                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 405                 return NULL;
 406         }
 407
 408         if (get_cmdline_auth_info_smb_encrypt(smbcquotas_auth_info)) {
 409                 nt_status = cli_cm_force_encryption(c,
 410                                         get_cmdline_auth_info_username(smbcquotas_auth_info),
 411                                         get_cmdline_auth_info_password(smbcquotas_auth_info),
 412                                         lp_workgroup(),
 413                                         share);
 414                 if (!NT_STATUS_IS_OK(nt_status)) {
 415                         cli_shutdown(c);
 416                         return NULL;
 417                 }
 418         }
 419
 420         return c;
 421 }
 422
 423 /****************************************************************************
 424   main program
 425 ****************************************************************************/
 426  int main(int argc, const char *argv[])
 427 {
 428         char *share;
 429         int opt;
 430         int result;
 431         int todo = 0;
 432         char *username_str = NULL;
 433         char *path = NULL;
 434         char *set_str = NULL;
 435         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 436         int cmd = 0;
 437         static bool test_args = False;
 438         struct cli_state *cli;
 439         bool fix_user = False;
 440         SMB_NTQUOTA_STRUCT qt;
 441         TALLOC_CTX *frame = talloc_stackframe();
 442         poptContext pc;
 443         struct poptOption long_options[] = {
 444                 POPT_AUTOHELP
 445                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 446                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 447                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 448                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 449 SETSTRING:\n\
 450 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 451 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 452 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 453                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 454                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 455                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 456                 POPT_COMMON_SAMBA
 457                 POPT_COMMON_CREDENTIALS
 458                 { NULL }
 459         };
 460
 461         load_case_tables();
 462
 463         ZERO_STRUCT(qt);
 464
 465         /* set default debug level to 1 regardless of what smb.conf sets */
 466         setup_logging( "smbcquotas", True );
 467         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 468         dbf = x_stderr;
 469         x_setbuf( x_stderr, NULL );
 470
 471         setlinebuf(stdout);
 472
 473         fault_setup(NULL);
 474
 475         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 476         load_interfaces();
 477
 478         smbcquotas_auth_info = user_auth_info_init(frame);
 479         if (smbcquotas_auth_info == NULL) {
 480                 exit(1);
 481         }
 482         popt_common_set_auth_info(smbcquotas_auth_info);
 483
 484         pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);
 485
 486         poptSetOtherOptionHelp(pc, "//server1/share1");
 487
 488         while ((opt = poptGetNextOpt(pc)) != -1) {
 489                 switch (opt) {
 490                 case 'n':
 491                         numeric = true;
 492                         break;
 493                 case 'v':
 494                         verbose = true;
 495                         break;
 496                 case 't':
 497                         test_args = true;
 498                         break;
 499                 case 'L':
 500                         if (todo != 0) {
 501                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 502                                 exit(EXIT_PARSE_ERROR);
 503                         }
 504                         todo = LIST_QUOTA;
 505                         break;
 506
 507                 case 'F':
 508                         if (todo != 0) {
 509                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 510                                 exit(EXIT_PARSE_ERROR);
 511                         }
 512                         todo = FS_QUOTA;
 513                         break;
 514
 515                 case 'u':
 516                         if (todo != 0) {
 517                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 518                                 exit(EXIT_PARSE_ERROR);
 519                         }
 520                         username_str = talloc_strdup(frame, poptGetOptArg(pc));
 521                         if (!username_str) {
 522                                 exit(EXIT_PARSE_ERROR);
 523                         }
 524                         todo = USER_QUOTA;
 525                         fix_user = True;
 526                         break;
 527
 528                 case 'S':
 529                         if (todo != 0) {
 530                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 531                                 exit(EXIT_PARSE_ERROR);
 532                         }
 533                         set_str = talloc_strdup(frame, poptGetOptArg(pc));
 534                         if (!set_str) {
 535                                 exit(EXIT_PARSE_ERROR);
 536                         }
 537                         todo = SET_QUOTA;
 538                         break;
 539                 }
 540         }
 541
 542         if (todo == 0)
 543                 todo = USER_QUOTA;
 544
 545         if (!fix_user) {
 546                 username_str = talloc_strdup(
 547                         frame, get_cmdline_auth_info_username(smbcquotas_auth_info));
 548                 if (!username_str) {
 549                         exit(EXIT_PARSE_ERROR);
 550                 }
 551         }
 552
 553         /* Make connection to server */
 554         if(!poptPeekArg(pc)) {
 555                 poptPrintUsage(pc, stderr, 0);
 556                 exit(EXIT_PARSE_ERROR);
 557         }
 558
 559         path = talloc_strdup(frame, poptGetArg(pc));
 560         if (!path) {
 561                 printf("Out of memory\n");
 562                 exit(EXIT_PARSE_ERROR);
 563         }
 564
 565         string_replace(path, '/', '\\');
 566
 567         server = SMB_STRDUP(path+2);
 568         if (!server) {
 569                 printf("Out of memory\n");
 570                 exit(EXIT_PARSE_ERROR);
 571         }
 572         share = strchr_m(server,'\\');
 573         if (!share) {
 574                 printf("Invalid argument: %s\n", share);
 575                 exit(EXIT_PARSE_ERROR);
 576         }
 577
 578         *share = 0;
 579         share++;
 580
 581         if (todo == SET_QUOTA) {
 582                 if (parse_quota_set(talloc_tos(), set_str, &username_str, &qtype, &cmd, &qt)) {
 583                         printf("Invalid argument: -S %s\n", set_str);
 584                         exit(EXIT_PARSE_ERROR);
 585                 }
 586         }
 587
 588         if (!test_args) {
 589                 cli = connect_one(share);
 590                 if (!cli) {
 591                         exit(EXIT_FAILED);
 592                 }
 593         } else {
 594                 exit(EXIT_OK);
 595         }
 596
 597
 598         /* Perform requested action */
 599
 600         switch (todo) {
 601                 case FS_QUOTA:
 602                         result = do_quota(cli,SMB_USER_FS_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 603                         break;
 604                 case LIST_QUOTA:
 605                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_LIST, username_str, NULL);
 606                         break;
 607                 case USER_QUOTA:
 608                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 609                         break;
 610                 case SET_QUOTA:
 611                         result = do_quota(cli, qtype, cmd, username_str, &qt);
 612                         break;
 613                 default:
 614
 615                         result = EXIT_FAILED;
 616                         break;
 617         }
 618
 619         talloc_free(frame);
 620
 621         return result;
 622 }